import java.util.BitSet;

/*
 * @Author: qianmingtian
 * @Date: 2020-06-28 17:18:59
 * @LastEditors: qianmingtian
 * @LastEditTime: 2020-06-28 17:19:44
 * @FilePath: \qianmingtian.github.io\code\BitSetTest.java
 */
public class BitSetTest {
    public static void main(String[] args) {
        BitSet bt = new BitSet();
        bt.set(3);
        ;
        System.out.println(bt.get(3));
    }
}